5221104256157 has 2 divisors, whose sum is σ = 5221104256158. Its totient is φ = 5221104256156.

The previous prime is 5221104256063. The next prime is 5221104256183. The reversal of 5221104256157 is 7516524011225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2902324511641 + 2318779744516 = 1703621^2 + 1522754^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5221104256157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5221104256057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2610552128078 + 2610552128079.

It is an arithmetic number, because the mean of its divisors is an integer number (2610552128079).

Almost surely, 2^{5221104256157} is an apocalyptic number.

It is an amenable number.

5221104256157 is a deficient number, since it is larger than the sum of its proper divisors (1).

5221104256157 is an equidigital number, since it uses as much as digits as its factorization.

5221104256157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168000, while the sum is 41.

The spelling of 5221104256157 in words is "five trillion, two hundred twenty-one billion, one hundred four million, two hundred fifty-six thousand, one hundred fifty-seven".